This free knit summer tee pattern is a lightweight, wearable design that fits right into my collection of free sweater knitting patterns, giving you something breathable, flattering, and actually enjoyable to knit.

If you’ve ever struggled to find a summer tee that isn’t too bulky, too see-through, or just plain boring, this post solves that by walking you through a design that balances comfort, style, and simplicity. The Adult Deborah Tee was created to give you a go-to warm-weather knit that looks polished without overcomplicating the process. If you’ve been searching for a free knit summer tee pattern that you’ll truly wear, this is it.

If you want a project that feels light in your hands but still looks thoughtful when it’s finished, this one checks all the boxes.
It’s the kind of knit you can relax into while still ending up with something that looks put together.

The fabric drapes beautifully, the fit is easy to wear, and the details keep things interesting without slowing you down.

What materials work best for a free knit summer tee pattern?

For this free knit summer tee pattern, I used KnitPicks Samia, which is a lightweight silk blend that feels soft against the skin and holds its shape well. When you’re knitting for summer, fiber choice matters more than anything, and this yarn keeps the fabric breathable while still giving it a polished look. You get that smooth finish without sacrificing comfort, which is exactly what you want in a warm-weather piece.

You’ll also need circular needles, stitch markers, and a tapestry needle to finish everything cleanly.
Keeping your materials simple makes this project feel even more approachable.

The right yarn really makes this design shine, especially with the subtle texture in the stitch pattern.
It’s one of those combinations where everything just works together.

How do you knit this free knit summer tee pattern?

This free knit summer tee pattern is worked top-down with raglan shaping, which keeps the process straightforward and easy to follow. You’ll build the neckline first, shape the yoke, and then separate for sleeves and body, making it a great introduction to garment construction if you’re newer to sweaters. The lace panel adds just enough interest without turning it into something complicated.

If you’ve been wanting to try a garment but felt intimidated, this is a really solid place to start.
The repetition helps you settle into a rhythm quickly.

It’s simple enough to stay relaxing, but detailed enough to keep your attention.

By the time you’re done, you’ll have a piece that feels like something you’d actually reach for in your closet.
And that’s always the goal.

What other free sweater knitting patterns should you try?

If you love this free knit summer tee pattern, there are plenty of other patterns that fit the same easy, wearable style:

• Chain Tee
• Puff Sleeve Tee
• Wheat Cardigan
• Rosemary Cardigan
• September Cardigan

These patterns all focus on simple construction with thoughtful details, making them great additions to your knitting lineup. Whether you’re in the mood for something lightweight or a layering piece, there’s something here you can jump into next.

Each one brings a slightly different look while still keeping that practical, everyday feel.
You can easily mix and match them into your wardrobe.

Deborah Tee Free Pattern

Size: XS, S (M, L) XL, 2X (3X, 4X)

Materials: Approximately 6, 7 (7, 8) 8, 9 (10, 12) balls of KnitPicks Samia (50g/188y), needle, stitch markers

Needle Size: 1(US) 2.5mm & 2(US) 3mm straight and dpn

Gauge (tension): 32sts & 36 rows to make 10cm square, using size 2(US) 3mm needles

Chest Measurement: 74, 78 (82, 90) 98, 107 (119, 131) cm

METHOD

This pattern is a top-down raglan that is worked in the round with 10cm of ease.

Deborah Lace Stitch Patten

In the Round

Rounds 1-3 – knit across

Round 4 – [yo, k1, K2tog, k1] repeat [to] across

Rounds 5-7 – knit across

Round 8 – [k2tog, k1, yo, k1] repeat [to] across

Worked Flat

Row 1 – purl across

Row 2 – knit across

Row 3 – purl across

Row 4 – [yo, k1, K2tog, k1] repeat [to] across

Row 5 – purl across

Row 6 – knit across

Row 7 – purl across

Row 8 – [k2tog, k1, yo, k1] repeat [to] across

Adult Deborah Tee Pattern

NECK

Cast on 82, 84 (82, 80) 88, 86 (92, 96) sts in using larger needles

Join in the round

SET-UP ROUND

Purl 2 (front), pm,

Purl 10, 10 (8, 6) 8, 6, (6, 6) (sleeve), pm,

Purl 11, 12 (13, 14) 14, 15 (16, 20) (back), pm,

Purl 36, 36 (36, 36) 40, 40 (40, 40) (lace panel), pm

Purl 11, 12 (13,14) 14, 15 (16, 20) back), pm

Purl 10, 10 (8, 6) 8, 6 (6, 6) (sleeve), pm,

Purl 2 (front)

Begin Deborah Lace Stitch pattern now within marked panel now. Set up row counts as row 1.

RAGLAN SHAPING

Raglan shaping and neck shaping are worked AT THE SAME TIME so be sure to read both Raglan Shaping and Neck Shaping sections before continuing.

Shape raglan seams by increasing 1 st each side of each marker, a total of 8 sts increased per round

Work each raglan round as follows:

Inc round – [k1, m1l, work to 1 st before marker, m1r, k1, sm] repeat across

Work raglan increases as described above on every round/row 0, 0 (0, 8) 12, 24 (32, 42) then every other round/row 33, 34 (36, 33) 33, 28 (26, 24) times.

Work 3, 3 (1, 0) 0, 0 (0, 0) rounds without any shaping.

NECK SHAPING

Stitches are increased at the beginning and end of each row to shape the front neck.

Start front neck shaping after working 3, 2 (4, 6) 6, 6 (5, 7) rows after the set-up row:

Cast on 1st at each end of front neck.

Work 3 more rows without neckline shaping.

Cast on 1 st at each end of front neck every following 1, 2 (1, 1) 2, 2 (3, 3) rows.

Work 1 more row.

Cast on 1 st at each end of front neck every following 6, 7 (7, 6) 8, 8 (9, 9) rows.

Cast on 2 sts at each end of front neck every following 2, 2 (2, 3) 3, 3 (3, 3) rows.

Cast on 5, 5 (5, 5) 4, 5 (5, 6) sts at each end of next row.

Cast on 9, 9 (10, 10) 11, 11 (12, 13) sts at each end of next row.

Jon in the round

STITCH COUNT CHECK

Total stitches: 400, 412 (428, 468) 512, 568 (628, 700)

Front/Back: 124, 128 (134, 146) 158, 174 (192, 212)

Sleeve: 76, 78 (80, 88) 98, 110 (122, 138)

DIVIDE FOR BODY AND SLEEVES

Work across 62, 64 (67, 73) 79, 87 (96, 106) front stitches, remove raglan marker,

place 76, 78 (80, 88) 98, 110 (122, 138) sleeve stitches on stitch holder,

cast on 8, 10 (12, 12) 12, 12 (12, 12) sts, remove raglan marker,

work across 124, 128 (134, 146) 158, 174 (192, 138) back stitches, remove raglan marker,

place 76, 78 (80, 88) 98, 110 (122, 138) sleeve stitches on stitch holder,

cast on 8, 10 (12, 12) 12,12 (12, 12) sts, remove, raglan marker,

Work across remaining 62, 64 (67, 73) 79, 87 (96, 106) front stitches.

[264, 276 (292, 316) 340, 372 (412, 448) sts]

BODY

Continue in pattern as established for 33 cms

Switch to smaller needles.

Work in k1p1 ribbing for 2cms

Bind off in pattern.

SLEEVE (REPEAT FOR BOTH SLEEVES)

Using larger needles (you may need to use dpn or magic loop),

pick up and knit 5, 6 (7, 7) 7, 7 (7, 7) sts from underarm,

work the 76, 78 (80, 88) 98, 110 (122, 138) sts from stitch holder,

pick up and knit 5, 6 (7, 7) 7, 7, (7, 7)sts from underarm, pm.

[86, 90 (94, 102) 112, 124 (136, 152) sts]

Knit 5, 5 (5, 5) 5, 5 (7, 7) rounds.

Next round – decrease 1 stich at each side of marker on next then every following 6th, 0 (0, 10th) 6th, 6th (6th, 4th) rounds 2, 0 (0, 1) 3, 1 (1, 5) times. 80, 88 (92, 98) 104,120 (132, 140) sts

Then decrease each side of marker every following 4, 8 (8, 8) 4, 4 (4, 2) rounds 3, 3 (3, 2)  2, 5 (5, 3) times to 74, 82 (86, 94) 100, 110 (122, 134) sts.

Knit 4 more rounds.

Change to smaller needle.

Work in k1p1 ribbing for 1.5 cms.

Bind off in pattern.

NECK

With right side facing, using smaller needle, beginning at the back left raglan, pick up and knit:

10, 10 (8, 6) 8, 6 (6, 6) sts from left sleeve,

17, 17 (19, 20) 22, 22 (24, 25) sts down left front,

18, 18 (20, 20) 22, 22 (24, 26) sts along center front,

17, 17 (19, 20) 22, 22 (24, 25) sts up right front,

10, 10 (8, 6) 8, 6 (6, 6) sts, from right sleeve,

58, 60 (62, 64) 68, 70 (76, 80) sts from back.

[130, 132 (136, 136) 150, 148 (160, 168) sts]

Join in the round and place beginning of round marker.

Work for 2cms.

Bind off in pattern.

FINISHING

Weave in all ends and block according.

Abbreviations

K – knit                                                   

P – purl

PM – place marker                                    

SM – slip marker

STS – stitches

YO – yarn over

K2tog -knit 2 stitches together                 

SSK – slip, slip, knit the slipped sts together

M1R – Insert the left needle under the strand that runs between two stitches from back to front, then knit this strand

M1L – Insert the left needle under the strand that runs between two stitches from front to back, then knit this strand through the back loop

At the end of the day, this free knit summer tee pattern is one of those pieces you’ll keep coming back to. It’s simple, wearable, and exactly the kind of project that makes you want to cast on again as soon as you finish.

What would you pair your Deborah Tee with first—jeans, a skirt, or something else? Tell me in the comments!

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